Tire and rim



Sept. 25, 1928. Y 1,685,552

A. J. MICHAUD TI'RE AND RIM Filed Feb. 19, 1927 2 Sheets-Sheep 1 v I tInventor rffizzr%'afiazzd Attorneys Sept. 25, 1928. 1,685,552

A. J. MICHAUD TIRE AND RIM Filed Feb. 19, 1927 2'Sheets-Sheet 2 :5 :4 I4&1:

' Attorneys Patented Sept. 25, 1928.

UNITED STATES ARTHUR JOSEPH MICHAUD, F MONTREAL, QUEBEC, CANADA.

' TIRE AND am.

Application filed February 19, 1927. Serial No. 169,650.

The present invention relates to improvements in vehicle the and rimstructures and has for its primary object to provide a sectional tire.

A further object of the invention is the provision of a sectional rimstructure designed for co-operation with sectional tires and arrangedfor detachable connection with a vehicle wheel. v

Another object of the invention is the pro vision of a tire and rimstructure arranged for. radial connection with the telly of a wheel tofacilitate the repair of a tire.

Another object of the invention is the pro- 7 vision of a pneumatic tirecomposed of a plurality of detachably connected sections each formedwith one or more compartments adapted to receive sectional inner tubes.

Still another object of the invention is the provision of a pneumatictire constructed so that a puncture through one portion will cause thedeflation of a relatively smallarea so that the major portion of thetire will remain in proper inflated condition.

Still another object of the invention is the provision of a tire and rimconstructed for rapid and convenient connection upon a wheeland whichcan be manufactured at a relatively low cost.

Other objects and advantages will become apparent as the descriptionprogresses.

i In the accompanying drawing forming a part of this'specification andin which like reference characters are employed to designatecorresponding parts throughout the same a Figure 1 is a side elevationalview of alvehicle wheel showing my improved tireand rim structuremounted in operative position thereon; 7 1

Figure 2' is an enlarged longitudinal sectional view through the tireand rim structure; Figure 3 is an enlarged transverse sec tional viewtaken on the line 3-3 of F igure 1; V Figure 4 is a similar view takenon the line 44 of Figure 3;

Figure 5 is a perspective view of one of the tire casing sections; and vV Figure 6 is a similar view of one of the rim sections.

Referring to the drawings wherein for the purpose of illustration isshown a preferred embodiment of my invention, the numeral 10 generallydesignates a conventional type of with the ends of the bolts.

automobile wheel embodying an annular felly 11 connected by means ofspokes 12 with a central hub 13. The exteriorperiphery of the telly 11is provided with a plurality of transversely extending grooves 14 thepurpose of which will later appear.

My invention relates particularly to an improved sectional rim structure15 carrying corresponding sections of an asembled tire 16.' The rim 15is composed of a plurality of equal segments 17 the cross sectionalformation conforming generally to the usualst-ructure of a clincher rimand formed with inwardly curved clincher flanges 18 at the longitudinaledges arranged to engage the bead of a tire casing. As clearlyillustrated in Figure 6 one of the flanges 18 is formed with a pair oftransversely extending openings 19 formed adjacent the ends of thesegment. 'The transverse end edges of each rim segment 17 are formedwith an upwardly turned rib 20 extending between the flanges 18. Formedadjacent one end of each rim segment in directly opposed positionson theedges and extending radially therefrom are a pair of apertured cars 21-,the opposite end being formed with a pair of opposed'projection's 22forming substantially semi-circular hooks. For the purposeof connectingthe rim sections to the telly .11 of the wheel 10 a series of bolts 23are extended transversely vthrough the telly, the intermediate portionsof the bolts being iirmly secured'in the telly while the ends projectbeyond the edges and are screw threaded. These bolts are arranged atregular intervals about the telly adjacentv the peripherythereof. i

- Adapted for slidable engagement with the ends of the bolts 23 areelongated clamping plates 24 formed with tapered pins 25 on one sideadjacent the ends. The centre of each clamp is formed with an openingengageable I In assembled position the pins 250i the clamping platesengage the apertures of the ears 21 of the rim segments and are securedin position by nuts l 26 threaded onthe ends of the bolts.

' Arranged in alternate positions with the bolts about the peripheraledge or the telly are a plurality of transversely extending pins 27projectingslightly beyond the side edges of the telly and engageablewith the hooks 22 of the adjacent rim sections. Thus, the rim sectionsmay be detachably secured in continuous circular position about theperiphery pil uae l ity o f outwardly entendi An essential feature ofthe present invention resides in providin a sectional tire casing 16divided to term a plurality oi ce-extensive segments arranged to befitted on the corresponding segments 01 the rim .15. Each "casingsegment designated -by the numeral 8 conforms in cross section .to thecommon forms of clincher new. in use including a bead 29 en geable withthe Cll'llGllil'Gl flanges 18 oi the rain 'FiQCtlO l-IS." The ends ofeach casingsegnient 28 enclosed by means of transverse end walls .80 theinner edges which are formed with rabheted grooves 31 lidr snugengagement with 20 01 the rim section. One of fiche-end walls 300% eachcasing segment is torn'ied with a b t-aperer'l projections 32 while theopposite end wall termed with tapered recesses corresponding to andregistening with the p-roj ections 32 of the adjacent segment. In theparticular embodiment of the casingsections i llustrateeh atransversepartition is termed on the'longitudinal centre of each section, dividingthe section into two complementary lcompartmen-ts. FOPlIl'Gd in one sideof the tire adgia cent its inner :edges and extending through the beadthereof are openings 3% adapted to alias-With the-openings &9 formed ineach rim segment. i r i Eachol'the coi npzrrtments formed in the casingsections is inflated. by means of an inner tube -section 35 "conformingin transverse section to the fo rmatlon ot :the casing compartments andhe ing the 7 ed end alls 36 forming ind dual in-ne tithe sections forinflation of the. casing. Each inner tube section 35 carries aninflatingvalve embodying a cylindrical Yalve body 37 threaded adjacentits outer end. lllhe valves BTe-ntend threugh the openings 3-1 and 119Oil the easingrand rim "sections respectively and project substantiallyibeyon d the edge of the rim as shown'in Figure 3, fornonneotion of anair tube. The inner tube sections 135 are "preferably constructed ofelastic 'm aterial tial'ly connected and tl-ien assembled on'the' suchas rubber and conform to the contour of V the casing oompartments.

l[-n use,the-r1in and casing sections are ini wheel. As i l lustrated inFigure 1, the present example is divided to provide eight componeiatsections, one end of each run sect on being firmly secured to the wheelffe'l'ly by the clamping :pjlatesQd While the opposite end islockedagainst displacement by connec io'niot the cunved projections withifillG'IP-lIHS The ends of ithe=cas1ng .-sections are arranged hetransverse :rihs

in contactii'ig positions and secured against lateral displacement bythe projections 32 which engage the complementary recesses in theopposed end wall 01" the adjacent section. From this construction itwill readily be seen that any one of the casing and rim sections may beixe-inover l from the wheel ithout removal of theremaining sections withthe exeeption of a slight displacement of one of the .adjacentsections.*V

. In the event of a puncture of the tire casing and deflation ofone oithe compartments the deflatedflarea will be relatively small so that thevehicle can safely proceed until such time the inner tube section vcanhe conyeniently replaced. Furthermore, the cost of replace ing the innertube sections will be substantially decreased as one of the smallsections could be sold at :a greater 1' d "'edcost over the continuousipunertu'be new oinmonly employed. .lt will also he noted that theparticular arrangement of the sections 7 will obviate :the accumulationof for ign matter between the segments due to the transverse ribstructan'e stormed at the ends of each rim. 5 section fitting closelytogether to eliminate :the tormation of pockets orrecesses. 11 sectionsmay be. conMenientl-y removed from the wheel by disconnecting the nuts26 from the bolt adjacent the Sfifiilllfillilii) be removed andremovingnthe clamping plates 24. An elongated instrument such as ascrewdriver, is then inserted int'he trans-verse grooves 14: so as toextend the rimsection by the leverage of the instrument. '7

1t istobe i rndersteod that the tonne of my invention herewith shown anddescribed is :to he :taleen as the preifierred example let "thesame,.iand that various changes ,as to the shape, sizeanc'lparnangeinent of parts nay be resorted to without departing from:the spirit of :he invention or the scopeiofflt'he suhjoined claim. 7 Vp i Having thus described my invention, I

claims i f In combination with -ft VElllClG, wheel pro mided. with a:pluralitylof Mansversely extending bolts and pins, a plurality of rimsections formed with casing engag g' flanges, apertured ears formedadjacent-lone. end of each rim section, curved projections formed on theopposite end of each rim section engageah'le with the pins of the Wheel,and clamping plates formed with inwardly extending pins engageable withthe earsvof the rim section and with the bolts to secure the rimsections in position on the wheel.

V In witness whereof I have hereuntoset my

